Abram needs to build a window frame. He needs 2 pieces of lumber that are 4- 3 1 4 feet long and 2 more that are 3 = feet long. How much lumber does Abram need in 3 all?​

where is the rest of the

step-by-step explanation:

46.2+112.3

step-by-step explanation:

use this formula:

p(a\b) = p(a and b)/p(b).

take it from here.

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.